化学Alexa排名

451. Chemed.orgchemed.org

网站简介:Educational outreach programs and chemical safety information through competitions and newsletters. Page includes list of events, publications and kids page.

452. Cook.chem.ndsu.nodak.educook.chem.ndsu.nodak.edu

网站简介:Electrophilic pi-allyl palladium complexes and nucleophilic sigma-allyl indium complexes.

453. Hamers.chem.wisc.eduhamers.chem.wisc.edu

网站简介:Interfacial architecture.

454. Peptidesynthetics.co.ukpeptidesynthetics.co.uk

网站简介:Offers custom synthesis of peptides based, and their modified molecules, primarily for research scientist, in milligram to gram quantities. Includes FAQ, online tool and product specifications, contact details.

455. Chemjobs.netchemjobs.net

网站简介:Positions for chemists in the chemical industry and academia. Also carries vacancies in positions allied to chemistry, e.g from the biochemical and the pharmaceutical sectors.

456. Web.mit.edu/chemistry/jamison

网站简介:Discovery and application of new reactions for organic synthesis.

457. Webelements.com/beryllium/

网站简介:Extensive information on history, uses, occurrence, compounds, and properties of the element.

458. Jmscience.comjmscience.com

网站简介:Offers equipment for the separation and detection of various compounds including high performance liquid chromatography, FIA, process control and downstream processing.

459. En.wikipedia.org/wiki/Iodine

网站简介:Properties of the element, including its history, applications, and characteristics.

460. Sas.upenn.edu/~marisa

网站简介:Design of new methods and catalysts for use in organic synthesis.

461. Teachspin.comteachspin.com

网站简介:NMR Instruments Designed for Teaching. A maker of a simple low field NMR instrument suitable for teaching the principles of NMR theory.

462. Chemistry.unimelb.edu.auchemistry.unimelb.edu.au

网站简介:One of the largest and oldest in Australia with a distinguished record in teaching and research..

463. Gordonengland.co.uk/elements/index.htm

网站简介:[Detailed data]

464. Scienceblogs.com/moleculeoftheday/

网站简介:Weblog explains the relationship between chemistry and real life to non-chemists.

465. Chemicalelements.com/elements/fe.html

网站简介:Basic information, atomic structure, and isotopes.

466. Education.jlab.org/itselemental/ele082.html

网站简介:Basic physical and historical information.

467. Cryofab.comcryofab.com

网站简介:Cryogenic services and equipment, dewars, vessels, vacuum insulated pipe, liquid nitrogen, helium, nitrogen, oxygen and argon. Also repair services for all sorts of cryogenic equipment.

468. Zarbi.chem.yale.eduzarbi.chem.yale.edu

网站简介:Studies of organic reactions in solution and in enzymes using Monte Carlo and semiempirical QM/MM simulations. (Yale University)

469. Corrosionsource.comcorrosionsource.com

网站简介:Portal for materials and corrosion. Technical content and tools related to corrosion. Access to some of the information unfortunately requires 'free' registration. Site is a front for InterCorr Int Inc.

470. Chemicalelements.com/elements/he.html

网站简介:Basic information, atomic structure, and table of isotopes.

471. En.wikipedia.org/wiki/Uranium

网站简介:Properties of the element, including its history, applications, and characteristics.

472. Iupac.org/publications/ci/

网站简介:IUPAC newsmagazine. Publishes IUPAC news, publications, recommendations, conferences and the work of its commissions and committees.

473. Bkchem.zirael.orgbkchem.zirael.org

网站简介:Free, portable, and open-source structure drawing program. Written in Python.

474. Protein-nmr.org.ukprotein-nmr.org.uk

网站简介:A very useful practical guide to Protein NMR. Including 3D-NMR

475. Chemicalelements.com/elements/cl.html

网站简介:Basic information, atomic structure, and isotopes.